A professor records the grades for his class students. He finds that the probability that a student earns an A is p = .14; earns a B is p = .36; earns a C is p = .32; earns a D is p = .10; and earns an F is p = .08. What is the probability that a student earns a B or better in this class?
A. .36
B. .14
C. .86
D. .50
Ans: D
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